| Download the 2015-Dec-22 [[Fiji/Downloads#Life-Line_Fiji_versions|Life-Line version of Fiji]] for OS X. It is distributed ''without'' Java, so you must [[Frequently Asked Questions#How_do_I_set_up_Java_6_on_OS_X.3F|install Apple Java 6]] on your system.

+

| Download the final (2017-May-30) [[Fiji/Downloads#Java_6|Java-6 version of Fiji]]. It is distributed ''without'' Java, so you must [[Frequently Asked Questions#How_do_I_set_up_Java_6_on_OS_X.3F|install Apple Java 6]] on your system.

* Afterwards, [[Troubleshooting#Checking_the_Java_version|verify that Fiji is using Java 6]].

* Afterwards, [[Troubleshooting#Checking_the_Java_version|verify that Fiji is using Java 6]].

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! style="white-space: nowrap" |

! style="white-space: nowrap" |

[[File:Win.png|alt=Windows|x32px]]

[[File:Win.png|alt=Windows|x32px]]

−

<br>[[File:Osx.png|alt=OS X|x32px]]

+

<br>[[File:Osx.png|alt=macOS|x32px]]

<br>[[File:Tux.png|alt=Linux|x32px]]

<br>[[File:Tux.png|alt=Linux|x32px]]

|

|

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! style="white-space: nowrap" |

! style="white-space: nowrap" |

[[File:Win.png|alt=Windows|x32px]]

[[File:Win.png|alt=Windows|x32px]]

−

<br>[[File:Osx.png|alt=OS X|x32px]]

+

<br>[[File:Osx.png|alt=macOS|x32px]]

<br>[[File:Tux.png|alt=Linux|x32px]]

<br>[[File:Tux.png|alt=Linux|x32px]]

| It is possible to set up a "plain" ImageJ2 with Java 6, but '''not recommended''':

| It is possible to set up a "plain" ImageJ2 with Java 6, but '''not recommended''':

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* If you '''still need Java 6, do nothing.'''

* If you '''still need Java 6, do nothing.'''

−

** For now, you will keep receiving updates of [[ImageJ 1.x]] and [[Bio-Formats]].

+

** For now, you will keep receiving updates of [[ImageJ 1.x]].

** But you will no longer receive updates for most ImageJ2 or Fiji components—they have all migrated to Java 8.

** But you will no longer receive updates for most ImageJ2 or Fiji components—they have all migrated to Java 8.

* If you '''want the latest updates''', [[FAQ#How_do_I_launch_ImageJ_with_a_different_version_of_Java.3F|update your ImageJ installation to use Java 8]] and then [[How to follow a 3rd party update site|enable the Java-8 update site]].

* If you '''want the latest updates''', [[FAQ#How_do_I_launch_ImageJ_with_a_different_version_of_Java.3F|update your ImageJ installation to use Java 8]] and then [[How to follow a 3rd party update site|enable the Java-8 update site]].

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* [[Java 3D]] 1.5 works with Java 6, but:

* [[Java 3D]] 1.5 works with Java 6, but:

** It has a restrictive license.

** It has a restrictive license.

−

** It does not work Java 7 or 8 on OS X.

+

** It does not work with Java 7 or 8 on macOS.

** It does not work with Java 8 (or 7?) on some Windows systems.

** It does not work with Java 8 (or 7?) on some Windows systems.

−

Please be aware that [[Java 3D]] is essentially a dead technology. The future of 3D visualization in ImageJ is the [[ClearVolume]] plugin. But it will be a lot of work to rebuild the [[3D Viewer]] on top of ClearVolume, so the ImageJ and Fiji teams are still exploring the best ways to proceed here.

+

Please be aware that [[Java 3D]] is essentially a dead technology. The future of 3D visualization in ImageJ is the [[ClearVolume]] and [[SciView]] plugins. But it will be a lot of work to rewrite all [[3D Viewer]] functionality, so the ImageJ and Fiji teams are still exploring the best ways to proceed here.

Upgrading an old installation

If you have downloaded Fiji or ImageJ2 quite some time ago (before 2016), you probably have the Java 6 version (how do I find out?). So when you update, you will not receive the latest plugin releases anymore, as described above.

Make sure you switch your ImageJ over to Java 8 before enabling the Java-8 update site!

If you enable the Java-8 update site while still running Java 6, your installation will become non-functional!

Alternately, you can simply download a new Fiji as described above.

About the Java-8 update site

Right now, the Java-8 update site includes the latest Java-8 versions of all core ImageJ and Fiji components. So unfortunately, at the moment, there is no way to get a "latest and greatest plain ImageJ2" built on Java 8, but without Fiji components.

But later this year, we will migrate the latest Java-8 components back to the core ImageJ and Fiji update sites, respectively, so that users can choose between "plain" ImageJ2 (lighter weight without "plugin bloat") and Fiji (with "more parts on the table"). We only want to proceed with this migration once there is a mechanism in place to notify users that Java 8 is now required, without breaking existing installations.

About Java 3D

Java 3D 1.6 requires Java 7 or newer. Hence, we ship it on the Java-8 update site only.

Please be aware that Java 3D is essentially a dead technology. The future of 3D visualization in ImageJ is the ClearVolume and SciView plugins. But it will be a lot of work to rewrite all 3D Viewer functionality, so the ImageJ and Fiji teams are still exploring the best ways to proceed here.